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path: root/drivers/gpu/drm/i915/intel_dp.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_dp.c')
-rw-r--r--drivers/gpu/drm/i915/intel_dp.c59
1 files changed, 48 insertions, 11 deletions
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index b5ec48913b47..c06a62a405b6 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -746,6 +746,22 @@ intel_dp_connector_unregister(struct intel_connector *intel_connector)
}
static void
+hsw_dp_set_ddi_pll_sel(struct intel_crtc_config *pipe_config, int link_bw)
+{
+ switch (link_bw) {
+ case DP_LINK_BW_1_62:
+ pipe_config->ddi_pll_sel = PORT_CLK_SEL_LCPLL_810;
+ break;
+ case DP_LINK_BW_2_7:
+ pipe_config->ddi_pll_sel = PORT_CLK_SEL_LCPLL_1350;
+ break;
+ case DP_LINK_BW_5_4:
+ pipe_config->ddi_pll_sel = PORT_CLK_SEL_LCPLL_2700;
+ break;
+ }
+}
+
+static void
intel_dp_set_clock(struct intel_encoder *encoder,
struct intel_crtc_config *pipe_config, int link_bw)
{
@@ -756,8 +772,6 @@ intel_dp_set_clock(struct intel_encoder *encoder,
if (IS_G4X(dev)) {
divisor = gen4_dpll;
count = ARRAY_SIZE(gen4_dpll);
- } else if (IS_HASWELL(dev)) {
- /* Haswell has special-purpose DP DDI clocks. */
} else if (HAS_PCH_SPLIT(dev)) {
divisor = pch_dpll;
count = ARRAY_SIZE(pch_dpll);
@@ -928,7 +942,10 @@ found:
&pipe_config->dp_m2_n2);
}
- intel_dp_set_clock(encoder, pipe_config, intel_dp->link_bw);
+ if (HAS_DDI(dev))
+ hsw_dp_set_ddi_pll_sel(pipe_config, intel_dp->link_bw);
+ else
+ intel_dp_set_clock(encoder, pipe_config, intel_dp->link_bw);
return true;
}
@@ -1316,8 +1333,6 @@ void intel_edp_panel_off(struct intel_dp *intel_dp)
DRM_DEBUG_KMS("Turn eDP power off\n");
- edp_wait_backlight_off(intel_dp);
-
WARN(!intel_dp->want_panel_vdd, "Need VDD to turn off panel\n");
pp = ironlake_get_pp_control(intel_dp);
@@ -1353,6 +1368,9 @@ void intel_edp_backlight_on(struct intel_dp *intel_dp)
return;
DRM_DEBUG_KMS("\n");
+
+ intel_panel_enable_backlight(intel_dp->attached_connector);
+
/*
* If we enable the backlight right away following a panel power
* on, we may see slight flicker as the panel syncs with the eDP
@@ -1367,8 +1385,6 @@ void intel_edp_backlight_on(struct intel_dp *intel_dp)
I915_WRITE(pp_ctrl_reg, pp);
POSTING_READ(pp_ctrl_reg);
-
- intel_panel_enable_backlight(intel_dp->attached_connector);
}
void intel_edp_backlight_off(struct intel_dp *intel_dp)
@@ -1381,8 +1397,6 @@ void intel_edp_backlight_off(struct intel_dp *intel_dp)
if (!is_edp(intel_dp))
return;
- intel_panel_disable_backlight(intel_dp->attached_connector);
-
DRM_DEBUG_KMS("\n");
pp = ironlake_get_pp_control(intel_dp);
pp &= ~EDP_BLC_ENABLE;
@@ -1392,6 +1406,10 @@ void intel_edp_backlight_off(struct intel_dp *intel_dp)
I915_WRITE(pp_ctrl_reg, pp);
POSTING_READ(pp_ctrl_reg);
intel_dp->last_backlight_off = jiffies;
+
+ edp_wait_backlight_off(intel_dp);
+
+ intel_panel_disable_backlight(intel_dp->attached_connector);
}
static void ironlake_edp_pll_on(struct intel_dp *intel_dp)
@@ -1751,7 +1769,7 @@ static bool intel_edp_psr_match_conditions(struct intel_dp *intel_dp)
struct drm_i915_private *dev_priv = dev->dev_private;
struct drm_crtc *crtc = dig_port->base.base.crtc;
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
- struct drm_i915_gem_object *obj = to_intel_framebuffer(crtc->primary->fb)->obj;
+ struct drm_i915_gem_object *obj = intel_fb_obj(crtc->primary->fb);
struct intel_encoder *intel_encoder = &dp_to_dig_port(intel_dp)->base;
dev_priv->psr.source_ok = false;
@@ -1784,7 +1802,6 @@ static bool intel_edp_psr_match_conditions(struct intel_dp *intel_dp)
return false;
}
- obj = to_intel_framebuffer(crtc->primary->fb)->obj;
if (obj->tiling_mode != I915_TILING_X ||
obj->fence_reg == I915_FENCE_REG_NONE) {
DRM_DEBUG_KMS("PSR condition failed: fb not tiled or fenced\n");
@@ -3815,6 +3832,22 @@ intel_dp_hot_plug(struct intel_encoder *intel_encoder)
intel_dp_check_link_status(intel_dp);
}
+bool
+intel_dp_hpd_pulse(struct intel_digital_port *intel_dig_port, bool long_hpd)
+{
+ struct intel_dp *intel_dp = &intel_dig_port->dp;
+
+ if (long_hpd)
+ return true;
+
+ /*
+ * we'll check the link status via the normal hot plug path later -
+ * but for short hpds we should check it now
+ */
+ intel_dp_check_link_status(intel_dp);
+ return false;
+}
+
/* Return which DP Port should be selected for Transcoder DP control */
int
intel_trans_dp_port_sel(struct drm_crtc *crtc)
@@ -4387,6 +4420,7 @@ intel_dp_init_connector(struct intel_digital_port *intel_dig_port,
void
intel_dp_init(struct drm_device *dev, int output_reg, enum port port)
{
+ struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_digital_port *intel_dig_port;
struct intel_encoder *intel_encoder;
struct drm_encoder *encoder;
@@ -4443,6 +4477,9 @@ intel_dp_init(struct drm_device *dev, int output_reg, enum port port)
intel_encoder->cloneable = 0;
intel_encoder->hot_plug = intel_dp_hot_plug;
+ intel_dig_port->hpd_pulse = intel_dp_hpd_pulse;
+ dev_priv->hpd_irq_port[port] = intel_dig_port;
+
if (!intel_dp_init_connector(intel_dig_port, intel_connector)) {
drm_encoder_cleanup(encoder);
kfree(intel_dig_port);